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Easy Addressing System (KOLAS) participation diagram

FAST

Which Institutions Can Provide the Easy Address Service?

To offer the Easy Address service, an institution needs approval from the Central Bank of the Republic of Türkiye (CBRT), documented eligibility to participate in FAST or EFT, and completed administrative and technical processes with BKM.

Illustration showing how an Application Identifier (AID) is used in a chip card transaction

EMV

What is an Application Identifier (AID)?

The AID tells the terminal which applications are present on a chip during a POS or ATM transaction. What does the AID do? It lets the terminal determine whether it supports an application on the chip. In Tag 9F06, it is 5-16 digits long.

Screenshot of the regulation article on ATM access for customers with orthopedic disabilities

ATM

What Must Banks Do for Customers with Orthopedic Disabilities?

Banks must provide the infrastructure for ATM access by customers with orthopedic disabilities. Not every ATM has to comply: at least two out of every 100 ATMs a bank operates must be suitable. This post explains the details of the regulation article.

Diagram showing the Issuer Domain, Interoperability Domain and Acquirer Domain in 3D Secure

Merchant & POS

What are Payment Scheme 3D Secure systems?

3D Secure is short for Three Domain Secure (Issuer Domain, the Interoperability Domain and the Acquirer Domain), used to increase security in online transactions. Known to cardholders as 3D Secure, these systems are given unique names by payment schemes (MasterCard, Visa, etc.).

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Payment Systems

WhatsApp Payments Now Possible Without a Credit Card

WhatsApp, one of the world's leading messaging apps, is rolling out a long-awaited new feature. After the update, users in Brazil will be able to shop and pay from within the app. Meta announced that users can now pay small businesses directly in WhatsApp.

Illustration representing payment card BIN numbers and card schemes

Credit Card

Which BINs Do Payment Schemes Work With?

Banks increase the variety of their products and services to serve customers better. When introducing new products, they usually issue them under a new BIN. So are there valid rules for obtaining a new BIN (Bank Identification Number)?

Apple Card and Apple Pay announcement graphic from Apple's Special Event

Credit Card

Apple Is Rewriting the Card World...

Most of us remember the impact the first iPhone, introduced by Steve Jobs on January 9, 2007 and revolutionary for its time, had on our lives. In a similar way, a product that will completely change how we use and view credit cards...

New BIN card product launch process

Credit Card

What Happens When a Product Is Launched Under a New BIN?

When banks launch a new card product, they can do it under an existing BIN or a new one. A new BIN requires much more work: BKM announces it, every bank defines it and every POS has to download it.

Business owner reviewing the documents required for a POS merchant application

Merchant & POS

Can I get a POS device as an individual customer?

For a POS device to be issued to a customer, the customer must have a legal entity status, such as a sole proprietorship, commercial company, or foundation/association. POS devices cannot legally be issued to individual customers.

Diagram of the Shared POS Management System (OPYS)

Merchant & POS

What Is the Shared POS Management System (OPYS)?

Developed by BKM and made available to banks, OPYS centrally supports setting up multi-application POS terminals shared by multiple members, inviting other members, adding or removing them, and managing field company relationships.

Overview of Türkiye's Law No. 6493

Laws & Regulations

What Is Law No. 6493? What Does It Contain?

Law No. 6493, published in Official Gazette No. 28690 on 27 June 2013, regulates the procedures and principles for payment and securities settlement systems, payment services, payment institutions and e-money institutions.